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参数资料
| 型号： | HY51V4400BR-80 |
| 英文描述： | x4 Fast Page Mode DRAM |
| 中文描述： | x4快速页面模式的DRAM |
| 文件页数： | 6/11页 |
| 文件大小： | 94K |
| 代理商： | HY51V4400BR-80 |
HY51V(S)16400HG/HGL
Rev.0.1/Apr.01
6
- continued -
Read Cycle
Parameter
Symbol
-50
-60
-70
Unit
Note
Min
Max
Min
Max
Min
Max
/OE to Din delay time
t
ODD
13
-
15
-
18
-
ns
6
/OE delay time from Din
t
DZO
0
-
0
-
0
-
ns
7
/CAS delay time from Din
tDZC
0
-
0
-
0
-
ns
7
Transition time ( Rise and Fall)
t
T
3
50
3
50
3
50
ns
8
Refresh period
t
REF
-
64
-
64
-
64
ms
4K Ref.
Refresh period (L-version)
-
128
-
128
-
128
ms
4K Ref.
Parameter
Symbol
-50
-60
-70
Unit
Note
Min
Max
Min
Max
Min
Max
Access time from /RAS
t
RAC
-
50
-
60
-
70
ns
9,10,20
Access time from /CAS
t
CAC
-
13
-
15
-
18
ns
10,11,
18,20
Access time from column address
tAA
-
25
-
30
-
35
ns
10,12,
18,20
Access time from /OE
t
OAC
-
13
-
15
-
18
ns
10
Read command set-up time
t
RCS
0
-
0
-
0
-
ns
Read command hold time to /CAS
tRCH
0
-
0
-
0
-
ns
13
Read command hold time to /RAS
t
RRH
5
-
5
-
5
-
ns
13
Column address to /RAS lead time
t
RAL
25
-
30
-
35
-
ns
Column address to /CAS lead time
tCAL
25
-
30
-
35
-
ns
/CAS to output in low-Z
tCLZ
0
-
0
-
0
-
ns
Output data hold time
t
OH
3
-
3
-
3
-
ns
Output data hold time from /OE
tOHO
3
-
3
-
3
-
ns
Output buffer turn off time to /OE
t
OEZ
-
13
-
15
-
15
ns
14
Output buffer turn off time
t
OFF
-
13
-
15
-
15
ns
14
/CAS to Din delay time
tCDD
13
-
15
-
18
-
ns
6
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